From: Michael Heerdegen <michael_heerdegen@web.de>
To: help-gnu-emacs@gnu.org
Subject: Re: problems with Emacs 28
Date: Tue, 27 Oct 2020 11:22:06 +0100 [thread overview]
Message-ID: <87eelkvui9.fsf@web.de> (raw)
In-Reply-To: 87sga0o6k0.fsf@zoho.eu
Emanuel Berg via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:
> destructive - changes the value in the actual argument variables.
> It would seem this requires "call by name" or "call by reference", not
> "call by value", right? (Unless the value is a memory location,
> perhaps...)
"Might change a passed value". This is possible in Elisp when the value
is a sequence for example (unless the value is nil - remember your
not-in-place problem?). `setcar' receives a cons value and modifies it.
Eieio objects and even closures are other examples.
Michael.
next prev parent reply other threads:[~2020-10-27 10:22 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-23 16:50 problems with Emacs 28 Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-23 17:33 ` Jean Louis
2020-10-23 18:02 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-23 18:00 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-24 1:55 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-24 12:56 ` Stefan Monnier
2020-10-24 12:57 ` Stefan Monnier
2020-10-24 9:46 ` Michael Heerdegen
2020-10-24 17:00 ` Drew Adams
2020-10-24 19:26 ` Michael Heerdegen
2020-10-24 22:11 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-24 22:08 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-25 12:13 ` Michael Heerdegen
2020-10-25 14:15 ` Drew Adams
2020-10-27 0:29 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-27 10:22 ` Michael Heerdegen [this message]
2020-10-28 16:21 ` Jens C. Jensen
2020-10-28 17:07 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-28 17:18 ` Stefan Monnier
2020-10-31 18:26 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-11-01 13:51 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-23 18:16 ` Eli Zaretskii
2020-10-23 18:22 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-23 18:44 ` Stefan Monnier
2020-10-24 0:13 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-23 19:09 ` Gregory Heytings via Users list for the GNU Emacs text editor
2020-10-24 0:14 ` Emanuel Berg via Users list for the GNU Emacs text editor
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